[i=s]This post was last edited by yhye2world on 2019-12-3 15:14[/i]As shown in Figure 1, two circuits designed using MC33063A:The above is the step-down circuit for DC12V to DC5V;the below is the step...
The picture below is the finished board, and the result is the same as the simulation. The purpose is that the first-stage op amp collects a current signal and sends it to the second stage for amplifi...
Parrot is a small and portable expansion board derived from the parrot board. It supports motor drive, voice playback, voice synthesis and other functions. It can expand 12 IO interfaces and 2 I2C int...
I had the urge to do a series of topics on sound visualization. This topic is a bit difficult and covers a wide range of areas. The related FFT and FHT algorithms are also quite complicated, but I sti...
Is there any code or example that supports TFTP in stareware? Can this method be implemented? In the development board demo, there are: ENET_HTTPD, ENET_ECHO, ENET_HTTPD_rmii. Can I find relevant code...
Today, the 2019 OPPO Developer Conference was held in Beijing. Duan Yaohui, Vice President of OPPO and President of the Internet Business Unit, revealed that the monthly active users of OPPO Quick Ap...[Details]
Hardware security strategies are being pushed forward in the chip design process due to the growing number of vulnerabilities in complex designs and connected devices, consideration of potential vu...[Details]
Against the backdrop of the construction of "Digital China" and "Credit China", State Grid E-Commerce Co., Ltd. (State Grid Xiong'an Financial Technology Group) has actively promoted the integratio...[Details]
As people's demand for comfort, convenience and safety in their living environment increases, smart home systems have emerged. The core function of smart home systems is to achieve real-time monito...[Details]
When using STM32L151, I encountered the problem that the GPIO_PinAFConfig (xx,xx,xx) function is invalid, and sometimes it causes the program HardFault. I used direct register operation to avoid this...[Details]
Note: This is my own reference book note, so that I can configure it faster in the future
Three dedicated maskable interrupts for RTC:
1 Alarm interrupt: software programmable alarm inte...[Details]
Today we will demonstrate the practical operation of an oscilloscope probe loading experiment in the lab. When an oscilloscope probe is connected to the device under test, the probe and oscilloscop...[Details]
First, the functional characteristics of hydrochloric acid flow meter 1. The measurement is not affected by changes in fluid density, viscosity, temperature, pressure and conductivity. 2. There are...[Details]
Recently, China National Energy Storage (Beijing) Technology Co., Ltd. has started installing heat storage devices at the world's first 300MW advanced compressed air energy storage demonstration po...[Details]
In automatic measurement and control systems, it is often necessary to measure and display relevant electrical parameters. At present, most measurement systems still use transformer-type voltage an...[Details]
The ohmmeter of a multimeter is mainly used to measure ordinary resistance, with a range of about 1Ω to 200MΩ. The megohmmeter is mainly used to measure insulation resistance from 1M to several hun...[Details]
Tesla announced at its Investor Day that it would reduce SiC (silicon carbide) devices in the powertrain by 75%, but did not provide sufficient background information. Is there substantial support be...[Details]
What is a piezoelectric sensor?
It is based on the piezoelectric effect of certain dielectrics. Under the action of external force, electric charges are generated on the surface of...[Details]
On November 4, the HuanDa 97.5MW/390MWh shared energy storage power station project started construction in the Beidaqiao new energy planning area of Guazhou County. Image It is understood that this...[Details]
Power technology
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